Alaska Airlines flight AS 631: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 San Francisco (SFO) 1 14:38 Newark Liberty, New York (EWR) B
AS 631 Non-stop Boeing 737 (73J) 5:38 Effective 2026-03-19 through 2026-05-12
Daily 10:00 New York John F. Kennedy (JFK) 8 13:06 Portland (PDX)
AS 631 Non-stop Boeing 737 (73J) 6:06 Effective from 2026-06-10
Daily 11:12 Salt Lake City (SLC) 12:25 Seattle-Tacoma (SEA)
AS 631 Non-stop Boeing 737 (73J) 2:13 Effective 2026-05-13 through 2026-06-09
Mon,Tue,Fri-Sun 18:45 Seattle-Tacoma (SEA) 21:30 Santa Ana (SNA)
AS 631 Non-stop Boeing 737-800 (73H) 2:45 Valid until 2026-01-06
This flight number is listed as serving the following routes:
Alaska Airlines flight AS 631: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Alaska Airlines AS631
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:38, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS631
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:06, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS631
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:13, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS631
Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
This flight number is listed as serving the following routes:
  • New York John F. Kennedy (JFK) - Portland (PDX)
  • Salt Lake City (SLC) - Seattle-Tacoma (SEA)
  • San Francisco (SFO) - Newark Liberty, New York (EWR)
  • Seattle-Tacoma (SEA) - Santa Ana (SNA)